CHEMISTRY OF ASPHALT-AGGREGATE INTERACTION: RELATIONSHIP WITH PAVEMENT MOISTURE-DAMAGE PREDICTION TEST

Relationships were found between fundamental chemical and physical properties of the asphalt-aggregate bond and moisture-induced damage in asphalt pavement mixtures subjected to the Lottman conditioning procedure in National Cooperative Highway Research Program (NCHRP) Field Evaluation Project 4-8(2)/1. The relative tendency of different chemical functional types in asphalts to be strongly adsorbed on aggregate surfaces and their relative displacement from aggregate surfaces by water were determined. The affinity of the aggregates for pyridine-type nitrogen was also determined. For most asphalt-aggregate mixtures of the Lottman-NCHRP study, resistance to moisture-induced damage appeared to be controlled by a number of interrelated variables. These variables must be considered in conncert to rationalize pavement moisture damage. The sensitivity of pavement mixtures to moisture-induced damage was explained by considering fundamental physiochemical properties of the asphalt-aggregate bond. (Author)

• Record URL:
  http://onlinepubs.trb.org/Onlinepubs/trr/1982/843/843-015.pdf
• Record URL:
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• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Characteristics of Bituminous Materials. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Authors:
  • Petersen, J C
  • Plancher, H
  • Ensley, E K
  • Venable, R L
  • Miyake, G
• Publication Date: 1982

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 95-104
• Monograph Title: Asphalts, asphalt mixtures and additives
• Serial:
  • Transportation Research Record
  • Issue Number: 843
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Aggregates; Asphalt; Forecasting; Loss and damage; Moisture content; Paving materials; Physicochemical properties; Sensitivity
• Uncontrolled Terms: Interaction
• Old TRIS Terms: Paving mixtures
• Subject Areas: Geotechnology; Highways; Materials; Pavements; I23: Properties of Road Surfaces;

Filing Info

• Accession Number: 00367357
• Record Type: Publication
• ISBN: 0309033209
• Files: TRIS, TRB
• Created Date: Nov 30 1982 12:00AM